water cycle

• n. 水文循环；水上脚踏车

例句

用作名词 (n.)

1. As we have already noted, the movement of water into the ground is part of the hydrologic cycle.
   我们已经说过，水向地下运动是水文循环的一部分。
2. Many scenarios for global warming, for example, invoke a speedup in the hydrological cycle by which water evaporates and then comes down as rain.
   例如，全球气候变暖的许多现象引起了水文循环的加速，其形式是水分的蒸发上升，然后以雨的形式降落至地面。